android uninstall小工具demo实现

package com.jf.install;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import com.jf.install.util.ViewHandler;import android.R.integer;import android.app.Activity;import android.content.Context;import android.content.Intent;import android.content.pm.ApplicationInfo;import android.content.pm.PackageInfo;import android.content.pm.PackageManager;import android.graphics.drawable.Drawable;import android.net.Uri;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.ListView;import android.widget.SimpleAdapter;import android.widget.TextView;public class MainActivity extends Activity{ListView lv;ListAdapter adapter;ArrayList< HashMap< String , Object >> items;private static final int INSTALL = 1;private InstallThread installThread;private InstallHandle installHandle;private LinearLayout mLoad;long i , j = 0;@Overridepublic void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.main);ViewHandler.creteProgressDialog(this, "Loading");lv = (ListView) findViewById(R.id.applist);installThread = new InstallThread();installHandle = new InstallHandle();new Thread(installThread).start();}private void refresh(){/** * 参数：Context ArrayList(item的集合) item的layout 包含ArrayList中的HashMap的key的数组 * key所对应的值的相应的控件id */adapter = new ListAdapter(this, items, R.layout.piitem, new String[]{ "icon" , "appName" , "packageName" }, new int[]{ R.id.icon , R.id.appName , R.id.packageName });lv.setAdapter(adapter);lv.setOnItemClickListener(new InstallListener());}private void iSearchPackage(){// 得到PackageManager对象i = System.currentTimeMillis();System.out.println("begion:" + i);PackageManager pm = getPackageManager();// 得到系统安装的所有程序包的PackageInfo对象// List<ApplicationInfo> packs = pm.getInstalledApplications(0);List< PackageInfo > packs = pm.getInstalledPackages(0);items = new ArrayList< HashMap< String , Object >>();for (PackageInfo pi : packs){HashMap< String , Object > map = new HashMap< String , Object >();// 显示用户安装的应用程序，而不显示系统程序if (( pi.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM ) == 0 && ( pi.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP ) == 0){// 这将会显示所有安装的应用程序，包括系统应用程序map.put("icon", pi.applicationInfo.loadIcon(pm));// 图标map.put("appName", pi.applicationInfo.loadLabel(pm));// 应用程序名称map.put("packageName", pi.applicationInfo.packageName);// 应用程序包名// 循环读取并存到HashMap中，再增加到ArrayList上，一个HashMap就是一项items.add(map);}}j = System.currentTimeMillis();System.out.println("运行时间:" + ( j - i ));}@Overrideprotected void onDestroy(){// TODO Auto-generated method stubsuper.onDestroy();System.out.println("onDestroy");}@Overrideprotected void onPause(){// TODO Auto-generated method stubsuper.onPause();System.out.println("onPause");}@Overrideprotected void onRestart(){// TODO Auto-generated method stubsuper.onRestart();new Thread(installThread).start();ViewHandler.creteProgressDialog(this, "Loading");System.out.println("onRestart");}@Overrideprotected void onResume(){// TODO Auto-generated method stubsuper.onResume();System.out.println("onResume");}@Overrideprotected void onStart(){// TODO Auto-generated method stubsuper.onStart();System.out.println("onStart");}@Overrideprotected void onStop(){// TODO Auto-generated method stubsuper.onStop();System.out.println("onStop");}class InstallHandle extends Handler{@Overridepublic void handleMessage(Message msg){// TODO Auto-generated method stubsuper.handleMessage(msg);if (msg.what == INSTALL){refresh();ViewHandler.dissMiss();}}}class InstallThread extends Thread{public void run(){iSearchPackage();installHandle.sendEmptyMessage(INSTALL);}}class InstallListener implements OnItemClickListener{@Overridepublic void onItemClick(AdapterView< ? > arg0 , View arg1 , int arg2 , long arg3){// TODO Auto-generated method stubSystem.out.println(arg2);Uri packageURI = Uri.parse("package:" + items.get(arg2).get("packageName"));Intent uninstallIntent = new Intent(Intent.ACTION_DELETE, packageURI);startActivity(uninstallIntent);}}}

package com.jf.install;import java.util.List;import java.util.Map;import android.app.Activity;import android.content.Context;import android.graphics.drawable.Drawable;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.ImageView;import android.widget.SimpleAdapter;import android.widget.TextView;import android.widget.SimpleAdapter.ViewBinder;public class ListAdapter extends SimpleAdapter{private int[] appTo;private String[] appFrom;private ViewBinder appViewBinder;private List<? extends Map<String, ?>>  appData;private int appResource;private LayoutInflater appInflater;private Context context;public ListAdapter(Context context, List<? extends Map<String, ?>> data,int resource, String[] from, int[] to) {super(context, data, resource, from, to);appData = data;appResource = resource;appFrom = from;appTo = to;appInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);}public View getView(int position, View convertView, ViewGroup parent){return createViewFromResource(position, convertView, parent, appResource);}private View createViewFromResource(int position, View convertView, ViewGroup parent, int resource){View v;if(convertView == null){v = appInflater.inflate(resource, parent,false);final int[] to = appTo;final int count = to.length;final View[] holder = new View[count];for(int i = 0; i < count; i++){holder[i] = v.findViewById(to[i]);}v.setTag(holder);}else{v = convertView;}bindView(position, v);return v;}private void bindView(int position, View view){final Map dataSet = appData.get(position);if(dataSet == null){return;}final ViewBinder binder = appViewBinder;final View[] holder = (View[])view.getTag();final String[] from = appFrom;final int[] to = appTo;final int count = to.length;for(int i = 0; i < count; i++){final View v = holder[i];if(v != null){final Object data = dataSet.get(from[i]);String text = data == null ? "":data.toString();if(text == null){text = "";}boolean bound = false;if(binder != null){bound = binder.setViewValue(v, data, text);}if(!bound){/** * 自定义适配器，关在在这里，根据传递过来的控件以及值的数据类型， * 执行相应的方法，可以根据自己需要自行添加if语句。另外，CheckBox等 * 集成自TextView的控件也会被识别成TextView，这就需要判断值的类型 */if(v instanceof TextView){//如果是TextView控件，则调用SimpleAdapter自带的方法，设置文本this.setViewText((TextView)v, text);}else if(v instanceof ImageView){//如果是ImageView控件，调用自己写的方法，设置图片setViewImage((ImageView)v, (Drawable)data);}else{throw new IllegalStateException(v.getClass().getName() + " is not a " +"view that can be bounds by this SimpleAdapter");}}}}}public void setViewImage(ImageView v, Drawable value){v.setImageDrawable(value);}}

下面的2个是自定义的加载框：

package com.jf.install.util;import com.jf.install.R;import android.app.ProgressDialog;import android.content.Context;import android.graphics.Bitmap;import android.graphics.Paint;import android.widget.LinearLayout;import android.widget.TextView;public class ViewHandler { static ProgressDialog dlg ;public static ProgressDialog creteProgressDialog(Context context,String text) {dlg= new ProgressDialog(context);dlg.show();dlg.setContentView(R.layout.loading);LinearLayout root = (LinearLayout) dlg.findViewById(R.id.progressDialog);root.setGravity(android.view.Gravity.CENTER);LoadingView mLoadView = new LoadingView(context);mLoadView.setDrawableResId(R.drawable.icon10);root.addView(mLoadView);TextView alert = new TextView(context);   Paint tPaint=alert.getPaint();     tPaint.setFakeBoldText(true);alert.setText(text);alert.setTextSize(18);//alert.setTextColor(R.drawable.red);root.addView(alert);return dlg;}  public static void distoryBitmap(Bitmap mFgBitmap){        if ( null !=mFgBitmap&&!mFgBitmap.isRecycled())        mFgBitmap.recycle();    }  public static void dissMiss(){if(null!=dlg){System.out.println("dialog dismiss***********************");dlg.dismiss();}}}

package com.jf.install.util;import android.content.Context;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.Canvas;import android.graphics.Matrix;import android.os.Handler;import android.util.AttributeSet;import android.view.View;public class LoadingView extends View {private Matrix mFgMatrix;private Bitmap mFgBitmap;public LoadingView(Context context) {super(context);}public LoadingView(Context context, AttributeSet attrs) {super(context, attrs);}public void setDrawableResId(int iconResId) {mFgMatrix = new Matrix();mFgBitmap = BitmapFactory.decodeResource(getResources(), iconResId);myHandler.sendEmptyMessage(0);onMeasure(mFgBitmap.getWidth(), mFgBitmap.getHeight());}@Overrideprotected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {setMeasuredDimension(mFgBitmap.getWidth(), mFgBitmap.getHeight());}@Overrideprotected void onDraw(Canvas canvas) {canvas.drawBitmap(mFgBitmap, mFgMatrix, null);}private Handler myHandler = new Handler() {public void handleMessage(android.os.Message msg) {mFgMatrix.postRotate(-10f, mFgBitmap.getWidth() / 2f, mFgBitmap.getHeight() / 2f);invalidate();myHandler.sendEmptyMessageDelayed(msg.what, 20);};};}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="horizontal" android:layout_width="wrap_content"android:layout_height="wrap_content" android:id="@+id/progressDialog"></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <ListView        android:id="@+id/applist"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="@string/hello" /></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="horizontal" android:layout_width="fill_parent"android:layout_height="fill_parent"><ImageView android:id="@+id/icon"     android:layout_width="48dip"android:layout_height="48dip" android:padding="4dip" /><LinearLayout android:orientation="vertical"android:layout_width="fill_parent" android:layout_height="wrap_content"><TextView android:id="@+id/appName" android:layout_width="fill_parent" android:layout_height="wrap_content"/><TextView android:id="@+id/packageName" android:layout_width="fill_parent" android:layout_height="wrap_content"/></LinearLayout></LinearLayout>

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