インストールされたアプリのリストを提供するアプリを作成しようとしています。アイテムがクリックされると、インストールされたアプリに必要な権限を示す別のアクティビティが開始されます。インストールされているアプリケーションのリストを取得しましたが、新しいアクティビティを開始する代わりに任意のアプリをクリックすると、アプリケーションが強制終了します。
主な活動
package com.example.appslist;
import java.util.List;
import com.example.appslist.adapter.ApkAdapter;
import com.example.appslist.app.AppData;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
public class ApkListActivity extends Activity implements OnItemClickListener {
PackageManager packageManager;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
packageManager = getPackageManager();
List<PackageInfo> packageList = packageManager
.getInstalledPackages(PackageManager.GET_PERMISSIONS);
ListView mylistview= (ListView) findViewById(android.R.id.list);
mylistview.setAdapter(new ApkAdapter(this, packageList, packageManager));
mylistview.setOnItemClickListener(this);
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long row) {
PackageInfo packageInfo = (PackageInfo) parent
.getItemAtPosition(position);
AppData appData = (AppData) getApplicationContext();
appData.setPackageInfo(packageInfo);
Intent appInfo = new Intent(getApplicationContext(), ApkInfo.class);
startActivity(appInfo);
}
}
LogCat
04-02 11:16:04.536: E/asset(2777): MAS: getAppPckgAndVerCode package: com.example.appslist === version 1
04-02 11:16:04.559: D/dalvikvm(2777): Trying to load lib lib_glossary.so 0x0
04-02 11:16:04.559: I/dalvikvm(2777): Unable to dlopen(lib_glossary.so): Cannot load library: load_library[1083]: Library 'lib_glossary.so' not found
04-02 11:16:04.567: E/MBGlossaryManager(2777): lib_glossary.so can't be loaded
04-02 11:16:04.700: E/asset(2777): MAS: getAppPckgAndVerCode package: com.google.android.location === version 8
04-02 11:16:04.708: E/asset(2777): MAS: getAppPckgAndVerCode package: com.android.launcher === version 8
04-02 11:16:04.708: E/asset(2777): MAS: getAppPckgAndVerCode package: com.android.defcontainer === version 8
04-02 11:16:04.708: E/asset(2777): MAS: getAppPckgAndVerCode package: com.navngo.igo.javaclient === version 148360
04-02 11:16:04.715: E/asset(2777): MAS: getAppPckgAndVerCode package: com.android.contacts === version 8
04-02 11:16:04.723: E/asset(2777): MAS: getAppPckgAndVerCode package: com.arcsoft.photoworkshop === version 5
04-02 11:16:04.778: D/dalvikvm(2777): GC_EXTERNAL_ALLOC freed 822 objects / 60704 bytes in 56ms
04-02 11:16:04.786: E/asset(2777): MAS: getAppPckgAndVerCode package: com.android.phone === version 8
04-02 11:16:04.794: E/asset(2777): MAS: getAppPckgAndVerCode package: com.android.calculator2 === version 8
04-02 11:16:04.794: E/asset(2777): MAS: getAppPckgAndVerCode package: com.android.htmlviewer === version 8
04-02 11:16:04.801: E/asset(2777): MAS: getAppPckgAndVerCode package: com.example.myfirstapp === version 1
04-02 11:16:04.801: E/asset(2777): MAS: getAppPckgAndVerCode package: com.android.providers.calendar === version 8
04-02 11:16:04.809: E/asset(2777): MAS: getAppPckgAndVerCode package: com.android.bluetooth === version 8
04-02 11:16:04.809: E/asset(2777): MAS: getAppPckgAndVerCode package: com.example.sessionmanagement === version 1
04-02 11:16:04.817: E/asset(2777): MAS: getAppPckgAndVerCode package: com.android.calendar === version 8
04-02 11:16:04.817: E/asset(2777): MAS: getAppPckgAndVerCode package: com.google.android.location === version 8
04-02 11:16:04.817: E/asset(2777): MAS: getAppPckgAndVerCode package: com.android.launcher === version 8
04-02 11:16:04.825: E/asset(2777): MAS: getAppPckgAndVerCode package: com.android.defcontainer === version 8
04-02 11:16:04.825: E/asset(2777): MAS: getAppPckgAndVerCode package: com.navngo.igo.javaclient === version 148360
04-02 11:16:04.872: E/asset(2777): MAS: getAppPckgAndVerCode package: com.android.contacts === version 8
04-02 11:16:06.536: D/AndroidRuntime(2777): Shutting down VM
04-02 11:16:06.536: W/dalvikvm(2777): threadid=1: thread exiting with uncaught exception (group=0x400207e0)
04-02 11:16:06.551: E/AndroidRuntime(2777): FATAL EXCEPTION: main
04-02 11:16:06.551: E/AndroidRuntime(2777): java.lang.ClassCastException: android.app.Application
04-02 11:16:06.551: E/AndroidRuntime(2777): at com.example.appslist.ApkListActivity.onItemClick(ApkListActivity.java:44)
04-02 11:16:06.551: E/AndroidRuntime(2777): at android.widget.AdapterView.performItemClick(AdapterView.java:284)
04-02 11:16:06.551: E/AndroidRuntime(2777): at android.widget.ListView.performItemClick(ListView.java:3444)
04-02 11:16:06.551: E/AndroidRuntime(2777): at android.widget.AbsListView$PerformClick.run(AbsListView.java:1696)
04-02 11:16:06.551: E/AndroidRuntime(2777): at android.os.Handler.handleCallback(Handler.java:587)
04-02 11:16:06.551: E/AndroidRuntime(2777): at android.os.Handler.dispatchMessage(Handler.java:92)
04-02 11:16:06.551: E/AndroidRuntime(2777): at android.os.Looper.loop(Looper.java:143)
04-02 11:16:06.551: E/AndroidRuntime(2777): at android.app.ActivityThread.main(ActivityThread.java:4717)
04-02 11:16:06.551: E/AndroidRuntime(2777): at java.lang.reflect.Method.invokeNative(Native Method)
04-02 11:16:06.551: E/AndroidRuntime(2777): at java.lang.reflect.Method.invoke(Method.java:521)
04-02 11:16:06.551: E/AndroidRuntime(2777): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858)
04-02 11:16:06.551: E/AndroidRuntime(2777): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
04-02 11:16:06.551: E/AndroidRuntime(2777): at dalvik.system.NativeStart.main(Native Method)
04-02 11:16:08.137: I/Process(2777): Sending signal. PID: 2777 SIG: 9
強制終了の理由がわかりません。助けてください
AppData.java
package com.example.appslist.app;
import android.app.Application;
import android.content.pm.PackageInfo;
public class AppData extends Application {
PackageInfo packageInfo;
public PackageInfo getPackageInfo() {
return packageInfo;
}
public void setPackageInfo(PackageInfo packageInfo) {
this.packageInfo = packageInfo;
}
}
ApkAdapter.java
package com.example.appslist.adapter;
import java.util.List;
import com.example.appslist.R;
import android.app.Activity;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.graphics.drawable.Drawable;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
public class ApkAdapter extends BaseAdapter {
List<PackageInfo> packageList;
Activity context;
PackageManager packageManager;
public ApkAdapter(Activity context, List<PackageInfo> packageList,
PackageManager packageManager) {
super();
this.context = context;
this.packageList = packageList;
this.packageManager = packageManager;
}
private class ViewHolder {
TextView apkName;
}
public int getCount() {
return packageList.size();
}
public Object getItem(int position) {
return packageList.get(position);
}
public long getItemId(int position) {
return 0;
}
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
LayoutInflater inflater = context.getLayoutInflater();
if (convertView == null) {
convertView = inflater.inflate(R.layout.apklist_item, null);
holder = new ViewHolder();
holder.apkName = (TextView) convertView.findViewById(R.id.appname);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
PackageInfo packageInfo = (PackageInfo) getItem(position);
Drawable appIcon = packageManager
.getApplicationIcon(packageInfo.applicationInfo);
String appName = packageManager.getApplicationLabel(
packageInfo.applicationInfo).toString();
appIcon.setBounds(0, 0, 40, 40);
holder.apkName.setCompoundDrawables(appIcon, null, null, null);
holder.apkName.setCompoundDrawablePadding(15);
holder.apkName.setText(appName);
return convertView;
}
}
マニフェスト ファイル
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.appslist"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme"
>
<activity
android:name="com.example.appslist.ApkListActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".ApkInfo"
android:label="@string/title_activity_apk_info" >
</activity>
</application>