package jack.activaty02;import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.Button;
Activity02.java
public class Activity02 extends Activity {
private Button MyButton=null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_activity02);
MyButton=(Button)findViewById(R.id.MyButton);
MyButton.setText("单击我进入下一个窗口!");
} @Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_activity02, menu);
return true;
}
}nextck.java
package jack.activaty02;import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;public class nextck extends Activity{
//private TextView myView=null;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
TextView myView=(TextView)findViewById(R.id.MyView);
myView.setText(R.string.hello_world);
}
}AndroidManifest.xml
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="jack.activaty02"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="4"
android:targetSdkVersion="16" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity android:name=".nextck" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".Activity02"
android:label="@string/title_activity_activity02" />
</application>
</manifest>strings.xml
<resources> <string name="app_name">activaty02</string>
<string name="hello_world">Hello world!</string>
<string name="menu_settings">Settings</string>
<string name="title_activity_activity02">Activity02</string>
<string name="nexck">第二个窗口</string>
</resources>运行后出现以下错误
03-25 02:54:48.555: E/dalvikvm(351): Unable to open stack trace file '/data/anr/traces.txt': Permission denied
android
import android.app.Activity;
import android.view.Menu;
import android.widget.Button;
Activity02.java
public class Activity02 extends Activity {
private Button MyButton=null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_activity02);
MyButton=(Button)findViewById(R.id.MyButton);
MyButton.setText("单击我进入下一个窗口!");
} @Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_activity02, menu);
return true;
}
}nextck.java
package jack.activaty02;import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;public class nextck extends Activity{
//private TextView myView=null;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
TextView myView=(TextView)findViewById(R.id.MyView);
myView.setText(R.string.hello_world);
}
}AndroidManifest.xml
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="jack.activaty02"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="4"
android:targetSdkVersion="16" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity android:name=".nextck" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".Activity02"
android:label="@string/title_activity_activity02" />
</application>
</manifest>strings.xml
<resources> <string name="app_name">activaty02</string>
<string name="hello_world">Hello world!</string>
<string name="menu_settings">Settings</string>
<string name="title_activity_activity02">Activity02</string>
<string name="nexck">第二个窗口</string>
</resources>运行后出现以下错误
03-25 02:54:48.555: E/dalvikvm(351): Unable to open stack trace file '/data/anr/traces.txt': Permission denied
android
解决方案 »
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setText(String)
参数应该是String类型的,R.id.xxx是int型的啊。
你应该用nextck.this.getResources().getString(R.id.xxx);myView.setText(nextck.this.getResources().getString(R.id.xxx));
LS的原因分析有问题,setText(xxx) 可以直接指向其id的
LZ出现ANR的原因 是由于相关权限还没有在ManiFest.xml中 声明