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feat: sample for custom controller bar
1 parent aeac314 commit 3fa99c1

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11 files changed

+275
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‎app/src/main/AndroidManifest.xml

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@@ -16,6 +16,10 @@
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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<activity android:name=".CustomPdfViewActivity">
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</activity>
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</application>
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</manifest>

‎app/src/main/java/com/zjy/androidpdfhelper/CustomControllerBar.java

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package com.zjy.androidpdfhelper;
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import static android.view.Gravity.CENTER;
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import static android.widget.LinearLayout.HORIZONTAL;
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import android.content.Context;
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import android.graphics.Color;
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import android.graphics.Typeface;
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import android.os.Build;
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import android.util.AttributeSet;
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import android.util.TypedValue;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.Button;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import androidx.annotation.Nullable;
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import com.zjy.pdfview.R;
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import com.zjy.pdfview.widget.AbsControllerBar;
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/**
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* Date: 2022/2/10
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* Author: Yang
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* Describe: 自定义PDF控制栏视图
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*/
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public class CustomControllerBar extends AbsControllerBar implements View.OnClickListener {
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private Button previousBtn, nextBtn;
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private TextView pageIndexTv;
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public CustomControllerBar(Context context) {
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this(context, null);
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}
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public CustomControllerBar(Context context, @Nullable AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public CustomControllerBar(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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}
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@Override
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public View getView() {
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LinearLayout rootView= new LinearLayout(getContext());
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rootView.setOrientation(HORIZONTAL);
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rootView.setGravity(CENTER);
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setBackgroundColor(Color.WHITE);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
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setElevation(dip2px(getContext(), 8));
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}
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previousBtn = new Button(getContext());
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previousBtn.setBackgroundResource(R.drawable.bg_operate_btn);
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previousBtn.setTextSize(TypedValue.COMPLEX_UNIT_SP, 14);
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previousBtn.setText("Previous");
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rootView.addView(previousBtn, new LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, dip2px(getContext(), 36)));
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pageIndexTv = new TextView(getContext());
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pageIndexTv.setTextSize(TypedValue.COMPLEX_UNIT_SP, 15);
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pageIndexTv.setPadding(dip2px(getContext(), 16), 0, dip2px(getContext(), 16), 0);
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rootView.addView(pageIndexTv, new LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
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pageIndexTv.setTypeface(Typeface.defaultFromStyle(Typeface.BOLD));
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pageIndexTv.setText("1/1");
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nextBtn = new Button(getContext());
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nextBtn.setBackgroundResource(R.drawable.bg_operate_btn);
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nextBtn.setTextSize(TypedValue.COMPLEX_UNIT_SP, 14);
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nextBtn.setText("Next");
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rootView.addView(nextBtn, new LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, dip2px(getContext(), 36)));
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previousBtn.setOnClickListener(this);
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nextBtn.setOnClickListener(this);
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return rootView;
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}
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@Override
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public void onClick(View view) {
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if (view == previousBtn) {
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clickPrevious();
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} else if (view == nextBtn) {
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clickNext();
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}
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}
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@Override
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public void setPreviousText(String previousText) {
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if (previousBtn != null && previousText != null) {
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previousBtn.setText(previousText);
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}
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}
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@Override
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public void setNextText(String nextText) {
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if (nextBtn != null && nextText != null) {
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nextBtn.setText(nextText);
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}
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}
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private static int dip2px(Context context, float dpValue) {
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final float scale = context.getResources().getDisplayMetrics().density;
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return (int) (dpValue * scale + 0.5f);
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}
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@Override
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public void setPageIndexText(String text) {
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if (pageIndexTv != null && text != null) {
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pageIndexTv.setText(text);
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}
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}
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}

‎app/src/main/java/com/zjy/androidpdfhelper/CustomPdfViewActivity.java

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package com.zjy.androidpdfhelper;
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import android.app.Activity;
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import android.content.Context;
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import android.content.Intent;
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import android.os.Bundle;
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import android.view.View;
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import android.widget.ImageView;
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import com.zjy.pdfview.PdfView;
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/**
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* Date: 2022/2/10
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* Author: Yang
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* Describe: 自定义PDF视图
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*/
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public class CustomPdfViewActivity extends Activity {
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private static final String PDF_URL_KEY = "PDF_URL_KEY";
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PdfView pdfView;
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ImageView backIv;
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public static void startPreview(Context context, String url) {
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Intent intent = new Intent(context, CustomPdfViewActivity.class);
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intent.putExtra(PDF_URL_KEY, url);
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context.startActivity(intent);
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}
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_custom_pdf_view);
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backIv = findViewById(com.zjy.pdfview.R.id.back_iv);
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backIv.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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finish();
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}
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});
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String url = getIntent().getStringExtra(PDF_URL_KEY);
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pdfView = findViewById(com.zjy.pdfview.R.id.pdf_view);
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pdfView.loadPdf(url);
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CustomControllerBar controllerBar = new CustomControllerBar(this);
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pdfView.setPDFController(controllerBar);
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}
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@Override
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protected void onDestroy() {
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super.onDestroy();
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pdfView.release();
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}
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}

‎app/src/main/java/com/zjy/androidpdfhelper/MainActivity.java

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@@ -14,6 +14,8 @@ protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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//CustomPdfViewActivity.startPreview(this, "file:///android_asset/test.pdf");
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PdfPreviewUtils.previewPdf(this, "file:///android_asset/test.pdf");
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}
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‎app/src/main/res/layout/activity_custom_pdf_view.xml

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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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xmlns:tools="http://schemas.android.com/tools"
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android:orientation="vertical"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:fitsSystemWindows="true"
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android:clipToPadding="false">
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<androidx.constraintlayout.widget.ConstraintLayout
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android:layout_width="match_parent"
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android:layout_height="60dp"
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android:background="#FFFFFF"
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android:elevation="4dp"
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tools:targetApi="lollipop">
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<ImageView
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android:id="@+id/back_iv"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:paddingStart="16dp"
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android:paddingEnd="16dp"
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android:paddingTop="8dp"
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android:paddingBottom="8dp"
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app:layout_constraintStart_toStartOf="parent"
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app:layout_constraintTop_toTopOf="parent"
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app:layout_constraintBottom_toBottomOf="parent"
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android:src="@drawable/pdf_ic_left_arrow"/>
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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app:layout_constraintStart_toEndOf="@+id/back_iv"
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app:layout_constraintTop_toTopOf="parent"
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app:layout_constraintBottom_toBottomOf="parent"
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android:textSize="18sp"
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android:textColor="#000000"
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android:text="PDF"/>
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</androidx.constraintlayout.widget.ConstraintLayout>
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<com.zjy.pdfview.PdfView
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android:id="@+id/pdf_view"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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app:quality="medium">
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</com.zjy.pdfview.PdfView>
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</LinearLayout>

‎pdfview/src/main/java/com/zjy/pdfview/PdfRendererActivity.java

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@@ -45,6 +45,8 @@ public void onClick(View v) {
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String url = getIntent().getStringExtra(PDF_URL_KEY);
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pdfView = findViewById(R.id.pdf_view);
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pdfView.loadPdf(url);
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pdfView.setPreviousText(getResources().getString(R.string.previous));
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pdfView.setNextText(getResources().getString(R.string.next));
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}
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‎pdfview/src/main/java/com/zjy/pdfview/PdfView.java

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@@ -274,6 +274,24 @@ public void clickNext() {
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}
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}
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public void setPreviousText(String previousText) {
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if (controllerContainer != null && previousText != null) {
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AbsControllerBar controllerBar = (AbsControllerBar) controllerContainer.getChildAt(0);
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if (controllerBar != null) {
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controllerBar.setPreviousText(previousText);
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}
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}
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}
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public void setNextText(String nextText) {
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if (controllerContainer != null && nextText != null) {
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AbsControllerBar controllerBar = (AbsControllerBar) controllerContainer.getChildAt(0);
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if (controllerBar != null) {
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controllerBar.setNextText(nextText);
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}
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}
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}
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@Override
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public void downloadSuccess(String path) {
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‎pdfview/src/main/java/com/zjy/pdfview/widget/AbsControllerBar.java

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@@ -36,6 +36,15 @@ public AbsControllerBar(@NonNull Context context, @Nullable AttributeSet attrs,
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protected abstract View getView();
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public void setPreviousText(String previousText) {
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}
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public void setNextText(String nextText) {
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}
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private void initView(Context context) {
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View view = getView();
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if (view == null) {

‎pdfview/src/main/java/com/zjy/pdfview/widget/PDFControllerBar.java

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@@ -84,6 +84,20 @@ public void onClick(View view) {
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}
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}
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@Override
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public void setPreviousText(String previousText) {
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if (previousBtn != null && previousText != null) {
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previousBtn.setText(previousText);
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}
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}
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@Override
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public void setNextText(String nextText) {
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if (nextBtn != null && nextText != null) {
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nextBtn.setText(nextText);
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}
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}
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private static int dip2px(Context context, float dpValue) {
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final float scale = context.getResources().getDisplayMetrics().density;
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return (int) (dpValue * scale + 0.5f);

‎pdfview/src/main/res/values-zh-rCN/strings.xml

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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<string name="next">下一页</string>
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<string name="previous">上一页</string>
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</resources>

‎pdfview/src/main/res/values/strings.xml

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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<string name="next">next</string>
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<string name="previous">previous</string>
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</resources>

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