Android修改默认浏览器为其他浏览器-优快云博客

本文介绍了一个使用Java编写的示例程序，演示了如何为Android设备设置默认浏览器的方法。通过Intent和PackageManager API，程序能够获取并设置指定应用为处理特定URL模式（如http）的首选应用。

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public class MainActivity extends Activity {

private static final String TAG = "MainActivity";

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

PackageManager packageManager = this.getPackageManager();
String str1 = "android.intent.category.DEFAULT";
String str2 = "android.intent.category.BROWSABLE";
String str3 = "android.intent.action.VIEW";

// 设置默认项的必须参数之一,用户的操作符合该过滤器时,默认设置起效
IntentFilter filter = new IntentFilter(str3);
filter.addCategory(str1);
filter.addCategory(str2);
filter.addDataScheme("http");
// 设置浏览页面用的Activity
ComponentName component = new ComponentName("com.UCMobile",
"com.UCMobile.main.UCMobile");

Intent intent = new Intent(str3);
intent.addCategory(str2);
intent.addCategory(str1);
Uri uri = Uri.parse("http://");
intent.setDataAndType(uri, null);

// 找出手机当前安装的所有浏览器程序
List<ResolveInfo> resolveInfoList = packageManager
.queryIntentActivities(intent,
PackageManager.GET_INTENT_FILTERS);

int size = resolveInfoList.size();
ComponentName[] arrayOfComponentName = new ComponentName[size];
for (int i = 0; i < size; i++) {
ActivityInfo activityInfo = resolveInfoList.get(i).activityInfo;
String packageName = activityInfo.packageName;
String className = activityInfo.name;

Log.d(TAG, "packageName " + packageName);
Log.d(TAG, "className " + className);

// 清除之前的默认设置
packageManager.clearPackagePreferredActivities(packageName);
ComponentName componentName = new ComponentName(packageName,
className);
arrayOfComponentName[i] = componentName;
}
packageManager.addPreferredActivity(filter,
IntentFilter.MATCH_CATEGORY_SCHEME, arrayOfComponentName,
component);

}

记得 <uses-permission android:name="android.permission.SET_PREFERRED_APPLICATIONS" /> 及系统签名噢