Android 系統自帶隱式intent應用
阿新 • • 發佈：2019-01-28
完成效果：撥打電話，傳送簡訊，播放音樂，播放視訊，開啟網頁，檢視圖片，通知欄。
PopWindow中完成效果：拍照片，從相簿選擇照片並且可裁減。
首先在清單檔案中加入如下許可權：
<uses-permission android:name="android.permission.CALL_PHONE" /> <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
主佈局：
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.example.administrator.jreduch07.IntentActivity"> <com.example.administrator.jreduch07.RoundImageView android:layout_width="50dp" android:layout_height="50dp" android:id="@+id/riv" android:src="@mipmap/ruzixiaoge" android:layout_below="@+id/bt8" android:layout_centerHorizontal="true" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/bt1" android:text="撥打電話" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/bt2" android:text="傳送簡訊" android:layout_below="@+id/bt1" android:layout_alignParentStart="true" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/bt3" android:layout_below="@id/bt2" android:text="開啟網頁" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/bt4" android:layout_below="@+id/bt3" android:text="播放音樂" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/bt5" android:layout_below="@id/bt4" android:text="播放視訊" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/bt6" android:layout_below="@id/bt5" android:text="檢視圖片" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/bt7" android:layout_below="@+id/bt6" android:text="安裝APK" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:text="通知欄訊息" android:id="@+id/bt8" android:layout_below="@+id/bt7" /> </RelativeLayout>
佈局效果：
PopWindow佈局：
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.example.administrator.jreduch07.IntentActivity"> <com.example.administrator.jreduch07.RoundImageView android:layout_width="50dp" android:layout_height="50dp" android:id="@+id/riv" android:src="@mipmap/ruzixiaoge" android:layout_below="@+id/bt8" android:layout_centerHorizontal="true" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/bt1" android:text="撥打電話" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/bt2" android:text="傳送簡訊" android:layout_below="@+id/bt1" android:layout_alignParentStart="true" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/bt3" android:layout_below="@id/bt2" android:text="開啟網頁" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/bt4" android:layout_below="@+id/bt3" android:text="播放音樂" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/bt5" android:layout_below="@id/bt4" android:text="播放視訊" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/bt6" android:layout_below="@id/bt5" android:text="檢視圖片" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/bt7" android:layout_below="@+id/bt6" android:text="安裝APK" /> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:text="通知欄訊息" android:id="@+id/bt8" android:layout_below="@+id/bt7" /> </RelativeLayout>
PopWindow動畫效果程式碼：
進入動畫程式碼:
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate
android:duration="1000"
android:fromYDelta="100%p"
android:toYDelta="0"/>
<alpha
android:duration="1500"
android:fromAlpha="1"
android:toAlpha="0"
/>
</set>退出動畫程式碼：
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate
android:duration="1000"
android:fromYDelta="100%p"
android:toYDelta="0"/>
<alpha
android:duration="1500"
android:fromAlpha="1"
android:toAlpha="0"
/>
</set>程式碼：
package com.example.administrator.jreduch07;
import android.app.Activity;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.drawable.ColorDrawable;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.v4.app.NotificationCompat;
import android.support.v7.app.AppCompatActivity;
import android.view.Gravity;
import android.view.View;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.PopupWindow;
import java.io.File;
public class IntentActivity extends AppCompatActivity implements View.OnClickListener {
private View view;
private RoundImageView riv;
private PopupWindow pw;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_intent);
view=getLayoutInflater().inflate(R.layout.activity_pop_window,null);
Button bt1 = (Button) findViewById(R.id.bt1);
Button bt2 = (Button) findViewById(R.id.bt2);
Button bt3 = (Button) findViewById(R.id.bt3);
Button bt4 = (Button) findViewById(R.id.bt4);
Button bt5 = (Button) findViewById(R.id.bt5);
Button bt6 = (Button) findViewById(R.id.bt6);
Button bt7 = (Button) findViewById(R.id.bt7);
Button bt8 = (Button) findViewById(R.id.bt8);
riv = (RoundImageView) findViewById(R.id.riv);
Button bt_take=(Button)view.findViewById(R.id.bt_take);
Button bt_selcte=(Button)view.findViewById(R.id.bt_selcte);
Button bt_cancel=(Button)view.findViewById(R.id.bt_cancel);
pw=new PopupWindow(view);
bt1.setOnClickListener(this);
bt2.setOnClickListener(this);
bt3.setOnClickListener(this);
bt4.setOnClickListener(this);
bt5.setOnClickListener(this);
bt6.setOnClickListener(this);
bt7.setOnClickListener(this);
bt8.setOnClickListener(this);
riv.setOnClickListener(this);
bt_take.setOnClickListener(this);
bt_selcte.setOnClickListener(this);
bt_cancel.setOnClickListener(this);
}
public void onClick(View v) {
int id = v.getId();
pw.setFocusable(true);
ColorDrawable cd =new ColorDrawable();
pw.setBackgroundDrawable(cd);
backgroundAlpha(0.3f);
pw.setAnimationStyle(R.style.pop);
switch (id) {
case R.id.bt1:
//隱式Intent 由android系統幫助匹配
//匹配規則，清單檔案中的 Intent_filter 標籤中的action
Uri uri = Uri.parse("tel:10086");
Intent intent = new Intent(Intent.ACTION_DIAL, uri);
startActivity(intent);
break;
case R.id.bt2:
Intent it=new Intent(Intent.ACTION_VIEW);
it.putExtra("sms_body","你好你好");
it.setType("vnd.android-dir/mms-sms");
startActivity(it);
break;
case R.id.bt3:
Uri uri1=Uri.parse("http://www.baidu.com");
Intent it1=new Intent(Intent.ACTION_VIEW,uri1);
startActivity(it1);
break;
case R.id.bt4:
Intent it2 =new Intent(Intent.ACTION_VIEW);
File file =new File("/storage/emulated/0/RM/res/song/fengniao/fengniao.mp3");
it2.setDataAndType(Uri.fromFile(file), "audio/*");
startActivity(it2);
break;
case R.id.bt5:
Intent it3 =new Intent(Intent.ACTION_VIEW);
File file1=new File("");
it3.setDataAndType(Uri.fromFile(file1),"video/*");
startActivity(it3);
break;
case R.id.bt6:
Intent it4 =new Intent(Intent.ACTION_VIEW);
File file2=new File("/storage/emulated/0/Pictures/Screenshots/Screenshot_2016-08-09-15-15-03.png");
it4.setDataAndType(Uri.fromFile(file2),"image/*");
startActivity(it4);
break;
case R.id.bt7:
Intent it5 =new Intent(Intent.ACTION_VIEW);
it5.setDataAndType(Uri.parse(""),
"");
startActivity(it5);
break;
case R.id.bt8:
notification();
break;
case R.id.riv:
int weight=getResources().getDisplayMetrics().widthPixels;
pw.setWidth(weight);
int height =getResources().getDisplayMetrics().heightPixels/4;
pw.setHeight(height);
pw.showAtLocation(riv, Gravity.BOTTOM | Gravity.CENTER, 0, 0);
pw.setOnDismissListener(new PopupWindow.OnDismissListener() {
@Override
public void onDismiss() {
WindowManager.LayoutParams ll =
getWindow().getAttributes();
ll.alpha = 1f;
getWindow().setAttributes(ll);
//設定View可見
}
});
break;
case R.id.bt_take:
takePhoto();
break;
case R.id.bt_selcte:
phonePhoto();
break;
case R.id.bt_cancel:
pw.dismiss();
break;
}
}
//訊息欄通知
public void notification(){
//先定義一個Intent
Intent intent =new Intent(this,SecondActivity.class);
PendingIntent pi=PendingIntent.getActivities(this, 0, new Intent[]{intent},
PendingIntent.FLAG_UPDATE_CURRENT);
//獲取通知服務
NotificationManager nm= (NotificationManager)
getSystemService(Activity .NOTIFICATION_SERVICE);
Notification notification=new NotificationCompat.Builder(this)
.setSmallIcon(R.mipmap.ic_launcher)
.setTicker("")
.setContentInfo("我是通知欄資訊")
.setContentTitle("奧運會")
.setContentText("pendingInt的使用方法")
.setAutoCancel(true)
.setDefaults(Notification.DEFAULT_ALL)
.setContentIntent(pi)
.build();
//通過通知服務顯示通知。
nm.notify(0, notification);
}
public void backgroundAlpha(float bgAlpha){
WindowManager.LayoutParams lp=
getWindow().getAttributes();
lp.alpha=bgAlpha;
getWindow().setAttributes(lp);
}
private String capturePath="";
//呼叫相機
public void takePhoto(){
Intent camera =new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
File parent=FileUitlity.getInstance(getApplicationContext())
.makeDir("head_img");
capturePath=parent.getPath()
+File.separatorChar
+System.currentTimeMillis()
+".jpg";
camera.putExtra(MediaStore.EXTRA_OUTPUT,
Uri.fromFile(new File(capturePath)));
camera.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);
startActivityForResult(camera, 1);
}
public void startPicZoom(Uri uri){
Intent intent=new Intent("com.android.camera.action.CROP");
intent.setDataAndType(uri,"image/*");
intent.putExtra("crop","true");
//允許裁剪
intent.putExtra("aspectX",1);
intent.putExtra("aspectY",1);
//設定裁剪比例
//設定圖片高度寬度
intent.putExtra("outputY", 150);
intent.putExtra("return-data", true);
startActivityForResult(intent,3);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(resultCode !=Activity.RESULT_OK){
return;
}
//相機返回結果，呼叫系統裁剪
if(requestCode==1){
startPicZoom(Uri.fromFile(new File(capturePath)));
//相簿返回結果，呼叫系統裁剪
}else if(requestCode==2){
Cursor cursor=getContentResolver().
query(data.getData(), new String[]{
MediaStore.Images.Media.DATA},null,null,null);
cursor.moveToFirst();
String capturePath=cursor.getString(cursor
.getColumnIndex(MediaStore.Images.Media.DATA));
cursor.close();
startPicZoom(Uri.fromFile(new File(capturePath)));
}else if(requestCode==3){
Bundle bundle= data.getExtras();
if(bundle!=null){
Bitmap bitmap= bundle.getParcelable("data");
riv.setImageBitmap(bitmap);
}
}
}
//呼叫相簿
public void phonePhoto(){
Intent intent=new Intent(Intent.ACTION_PICK,
MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(intent,2);
}
}